National Item Identification Number
00-774-0543
007740543
4820-00-774-0543
4820-00-774-0543
National Stock Number
Item Name
VALVE,SAFETY RELIEF
Federal Supply Class
4820
Description
A valve designed to automatically release excessive pressures. It is actuated by static pressure upstream of the valve and is used as a safety valve or relief valve, and may be set to close at a predetermined pressure. It is not designed for regulation of continuously fluctuating loads. It may be inline or cartridge (manifold) design. Excludes VALVE (1), RELIEF, PRESSURE AND TEMPERATURE.
Commercial and Government Entity Code (Supplier Data)
82577
Reference Numbers (Part Numbers)
256893
620B11-6-2
Required Categories
MATERIAL
STYLE DESIGNATOR
FLOW CONTROL DEVICE
VALVE OPERATION METHOD
CONNECT
Required Description
ALUMINUM ALLOY OVERALL
C1 ANGLE
DISK
AUTOMATIC
THREADED INTERNAL BOSS ALL EN